Table 1.

Morphologic comparison of indole-positive species of genus Brachyspira ^{a, b}

Species	Strains used	Cell length (μm)	Cell diameter (μm)	No. of flagella/cell
B. hyodysenteriae	B78T	9.78 ± 1.87	0.35 ± 0.02	16 – 24
		8 – 10	0.3 – 0.4	14 – 18
		6 – 8.5	0.35 – 0.4	24 – 28
B. intermedia	PWS/AT	7.5 – 10	0.35 – 0.45	24 – 28
B. suanatina	AN4859/03	5.5 ± 1.0	0.3 ± 0.0	14 – 16

^aResults for BB. hyodysenteriae and BB. intermedia from previous studies [21, 32, 61]

^bResults from present study